UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 70
UPD78F9222MC(T)-5A4-A
Manufacturer Part Number
UPD78F9222MC(T)-5A4-A
Description
8BIT MCU, 4K FLASH, 256B RAM, 78F9222
Manufacturer
NEC
Datasheet
1.UPD78F9222MCT-5A4-A.pdf
(414 pages)
Specifications of UPD78F9222MC(T)-5A4-A
Controller Family/series
UPD78
No. Of I/o's
17
Ram Memory Size
256Byte
Cpu Speed
10MHz
No. Of Timers
4
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F9222MC(T)-5A4-A
Manufacturer:
NEC
Quantity:
1 000
Company:
Part Number:
UPD78F9222MC(T)-5A4-A
Manufacturer:
NEC/PBF
Quantity:
6 640
Part Number:
UPD78F9222MC(T)-5A4-A
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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70
X1/P121
X2/P122
Note Select the high-speed internal oscillator, crystal/ceramic oscillator, or external clock input
system clock source by using the option byte.
System clock
Crystal/ceramic
oscillator
External clock
High-speed
oscillation
oscillation
internal
STOP
input
System clock oscillation
stabilization time counter
Note
OSTS1 OSTS0
f
X
Oscillation stabilization
time select register (OSTS)
Low-speed internal oscillation
mode register (LSRCM)
Watchdog timer
Option byte
1: Cannot be stopped.
0: Can be stopped.
Figure 5-1. Block Diagram of Clock Generators
f
2
X
Internal bus
Prescaler
CHAPTER 5 CLOCK GENERATORS
2
f
X
2
User’s Manual U16898EJ5V0UD
PPCC1 PPCC0
Internal bus
Low-speed
oscillator
internal
LSRSTOP
Preprocessor clock
control register (PPCC)
f
XP
f
RL
Prescaler
f
2
XP
2
Clock to peripheral
hardware (f
PCC1
8-bit timer H1,
watchdog timer
Processor clock
control register (PCC)
XP
)
Controller
C
P
U
circuit
CPU clock
(f
CPU
as the
)
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